Marcy E. Haley, WHNP
NPI 1912274341ActiveIndividual· Nurse Practitioner, Women's Health· Saint Peters, MO
Nurse Practitioner, Women's Health (WHNP) with Washington University, practicing in Saint Peters, Missouri. Their prescriptions cost Medicare Part D more than their services did: $3,199 for 51 claims, against $1,883 paid for services in 2024. Dexcom, Inc. was the largest of 3 companies reporting payments in 2025, $108.01 in all, mostly food and beverage.
Overview
| NPI | 1912274341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | WHNP |
| Sole proprietor | No |
| NPI issued | Nov 30, 2011 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Women's Health Primary | 363LW0102X | 2011036000 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 53 across 12 procedure codes |
| Paid by Medicare | $1,883 |
Part D prescriptions in 2024
| Prescriptions (claims) | 51 · 86 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $3,199 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Industry payments (Open Payments)
- 2025$108.01 · 6 payments from 3 companies
- 2024$88.79 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $73.68 | 4 |
| Abbvie Inc. | $19.88 | 1 |
| Pfizer Inc. | $14.45 | 1 |
What the 2025 payments were for
- Food and Beverage$108.01 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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